Home / 194,941,128.80-292,411,693.20-156,677,376.80

Finding the Fourth Proportional to 194,941,128.80, 292,411,693.20 and 156,677,376.80

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Solution

The fourth proportional to 194,941,128.80, 292,411,693.20 and 156,677,376.80 is: 235,016,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,941,128.80 : 292,411,693.20 = 156,677,376.80 : x
  2. Step 2: Convert to fraction form
    194,941,128.80/292,411,693.20 = 156,677,376.80/x
  3. Step 3: Cross multiply
    194,941,128.80x = 292,411,693.20 × 156,677,376.80
  4. Step 4: Simplify right side
    194,941,128.80x = 45,814,297,036,222,400
  5. Step 5: Solve for x
    x = 45,814,297,036,222,400/194,941,128.80
  6. Step 6: Final answer
    x = 235,016,065.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.